D330, D333, 3304, 3306 – Crankshaft Specifications

(1) Diameter of bearing surface (journal) for connecting rod … 2.9992 ± .0008 in.(76.180 ± 0.020 mm)

Minimum permissible diameter (worn) … 2.992 in.(75.99 mm)

Maximum permissible difference from round bearing surface (journal) (worn) … .004 in.(0.10 mm)

(2) Diameter of bearing surface (journal) for the main bearing (new) … 3.4992 ± .0008 in.(88.880 ± 0.020 mm)

Minimum permissible diameter (worn) … 3.491 in.(88.67 mm)

Clearance between main bearing and crankshaft bearing surface (journal) (new) … .0030 to .0065 in.(0.076 to 0.165 mm)

Maximum permissible bearing clearance between main bearing and crankshaft bearing surface (journal) (worn) … .010 in.(0.25 mm)

(3) End play for the crankshaft (new) … .0025 to .0145 in.(0.064 to 0.368 mm)

Maximum permissible end play for the crankshaft (worn) … .025 in.(0.64 mm)

(4) Get temperature of the gear or wear sleeves to a maximum of 600° F (316° C) before installation on the crankshaft.

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